Le'Jonte.] 



BAEINI. 



307 



B. Elj'lra conjointly rounded at tip, or nearly so; pygidiuni not exposed, 



or \'ery slightly visible; posterior edge of prothorax usually eniargi- 

 nate in front of mesostenium;* form sul)rlu)niboidal, side pieces of 

 mctatliorax wide. 

 Eniargination of hind margin of prothorax small 2. 



Emargination of hind mai'gin of prothorax deep; 

 body densely clothed with coarse capillary 

 scales; elytra sometimes with denuded spots. . . 2. penicellus. 



t?. Prothorax tubularly constricted in front 3. 



moderately " ^ " 5^ 



JJeak strongly pvmctured and striate; prothorax 



coarsely punctured 4. 



3. Beak nearly smooth; prothorax more finely punc- 



tured 3. Isevirostris. 



Beak strongly punctured; prothorax less finely 



puacUired 4. punctirostris. 



4. Sides of prothorax strongly rounded; pro^ernum 



deeply impressetl in front of the coxae, emargi- 



nate behind 5. striatirostris. 



Sides of prothorax oblique, feebly rounded; pro- 

 sternum impressed near the apex, not emargi- 



nate behind 6. modestiis. 



o. Sides of prothorax much rounded 6. 



" " oblique, feebly rounded 1. 



»*). Pubescence gray squamose 7. perscillus. 



" "• capillary, (presternum not emar- 

 ginate behind) 9. capillatus. 



7. Prothorax gradually narro^A•ed in front 8. 



" more suddenly narrowed near the tip. . 8. neglectus. 



8. Second joint of funicle equal to third; scales uni- 



form 9. 



Second joint of funicle longer than third; scales 



yellow and black, forming stripes 12. lineellus. 



9. Prostenium with three impressions in front 10. picumnus. 



Prosternum with one small impression near the 



ajiical margin 11. perscitus. 



C. Elytra conjointly rounded at tip, or nearly so; pygidiuni not exposed 



or very slightly visible; posterior edge of prosternum not emargi- 



nate in front of mesosternum; form elongate. 

 Prosternum transversely impressed as usual by the 



subapical constriction 2. 



Prosternum with two slight ridges, indicating a 



broad but feeble pectoral groove 8. 



Prosternum foveate near the apical margin 9. 



3. Scales moderately large, quite evident 3. 



" small, hair-like, inconsj icuous 5. 



*The exceptions are C. modestus, capUlalwt, and perhaps liweUits. 



